They don't, as they are extinct. I can find no reference to anyone's studying this when they were alive. We don't really know how long birds sleep. It varies with species and habitat, but they don't seem to need it like we do.
Most birds sleep 4 to 5 hours a day. Birds will go to sleep after the sun sets. Birds awaken when the sun rises in the morning.
Yes.
sleep
Because birds have a long tendon attached to their toes. When they sleep on perches, they bend down and their toes lock around the perch.
According to audubonathome.org: "Bluebirds sleep in nest cavities or on sheltered branches of trees and shrubs"
They sleep on a perch or in a tree cavity. My macaw has a bird hut (tent) that he sleeps in every night.
10
Any type of mammal or bird
Yes its up too you but as long if they have a blanket under the bird when they sit and a blanket over the cage and they will falll asleep.
The bird with long skinny legs is typically a wading bird, such as a heron or a stork.
Sleep deprivation is not good for you in the long term
they don't sleep.